Home / 18,851,930.88-28,251,536.46-10,197,348.24

Finding the Fourth Proportional to 18,851,930.88, 28,251,536.46 and 10,197,348.24

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Solution

The fourth proportional to 18,851,930.88, 28,251,536.46 and 10,197,348.24 is: 15,281,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,930.88 : 28,251,536.46 = 10,197,348.24 : x
  2. Step 2: Convert to fraction form
    18,851,930.88/28,251,536.46 = 10,197,348.24/x
  3. Step 3: Cross multiply
    18,851,930.88x = 28,251,536.46 × 10,197,348.24
  4. Step 4: Simplify right side
    18,851,930.88x = 288,090,755,597,676.88
  5. Step 5: Solve for x
    x = 288,090,755,597,676.88/18,851,930.88
  6. Step 6: Final answer
    x = 15,281,763.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.